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Titze M.,Halle Institute for Economic Research IWH | Brachert M.,Martin Luther University of Halle Wittenberg | Kubis A.,Institute for Employment Research the Research Institute of the Federal Employment Agency IAB
Growth and Change

This paper contributes to the empirical literature on systematic methodologies for the identification of industrial clusters. It combines a measure of spatial concentration, qualitative input-output analysis, and a knowledge interaction matrix to identify the production and knowledge generation activities of industrial clusters in the Federal State of Saxony in Germany. It describes the spatial allocation of the industrial clusters, identifies potentials for value chain industry clusters, and relates the production activities to the activities of knowledge generation in Saxony. It finds only a small overlap in the production activities of industrial clusters and general knowledge generation activities in the region, mainly driven by the high-tech industrial cluster in the semiconductor industry. Furthermore, the approach makes clear that a sole focus on production activities for industrial cluster analysis limits the identification of innovative actors. © 2014 Wiley Periodicals, Inc. Source

Castellani D.,University of Perugia | Castellani D.,Centro Studi Luca dAgliano | Castellani D.,Center for Innovation | Castellani D.,Halle Institute for Economic Research IWH | Pieri F.,University of Valencia
Research Policy

The recent increase in R&D offshoring has raised fears that knowledge and competitiveness in advanced countries may be at risk of 'hollowing out'. At the same time, economic research has stressed that this process is also likely to allow some reverse technology transfer and foster growth at home. This paper addresses this issue by investigating the extent to which R&D offshoring is associated with productivity dynamics of European regions. We find that offshoring regions have higher productivity growth, but this positive effect fades with the number of investment projects carried out abroad. A large and positive correlation emerges between the extent of R&D offshoring and the home region productivity growth, supporting the idea that carrying out R&D abroad strengthens European competitiveness. © 2013 Elsevier B.V. Source

Kubis A.,Institute for Employment Research IAB | Schneider L.,Coburg University of Applied Sciences | Schneider L.,Halle Institute for Economic Research IWH
Regional Studies

Kubis A. and Schneider L. Regional migration, growth and convergence – a spatial dynamic panel model of Germany, Regional Studies. This paper empirically analyses the question of how regional migration affects regional convergence and growth in post-reunification Germany. Addressing the endogeneity of migration and human capital, a dynamic panel data model within the framework of β-convergence is applied, accounting for spatial effects. The regressions indicate that out-migration has a negative but modest effect on regional growth; the expected effect of skill selection is only partly confirmed. In the East German subsample, in-migration increases growth independently of its human capital effect; in West Germany, in-migration lowers growth per se, but this negative impact is offset by the growth-stimulating forces of migrants’ skills. © 2015 Regional Studies Association Source

Dettmann E.,Halle Institute for Economic Research IWH | Dominguez Lacasa I.,University of Bremen | Gunther J.,University of Bremen | Jindra B.,University of Bremen | Jindra B.,Copenhagen Business School
Regional Studies

Dettmann E., Dominguez Lacasa I., Günther J. and Jindra B. The importance of localized related variety for international diversification of corporate technology, Regional Studies. Internationalization of research and development has increased substantially in recent years. This paper analyses the determinants of spatial distribution of foreign technological activities across 96 regions in Germany. It identifies foreign technological activities by applying the cross-border ownership concept to patent applications. The main proposition is that regions with higher related variety of technological activities between sectors attract more foreign technological activities. The estimations show that this is the case in regions characterized by a high overall technological strength. This suggests that related variety facilitates technological diversifications of foreign corporations in regions at the top of the geographic hierarchy. © 2015 Regional Studies Association Source

El-Shagi M.,Henan University | El-Shagi M.,Halle Institute for Economic Research IWH | Von Schweinitz G.,Halle Institute for Economic Research IWH | Von Schweinitz G.,Martin Luther University of Halle Wittenberg
Computational Economics

Designers of MMOs such as Diablo 3 face economic problems much like policy makers in the real world, e.g. inflation and distributional issues. Solving economic problems through regular updates (patches) became as important to those games as traditional gameplay issues. In this paper we provide an agent framework inspired by the economic features of Diablo 3 and analyze the effect of monetary policy in the game. Our model reproduces a number of features known from the Diablo 3 economy such as a heterogeneous price development, driven almost exclusively by goods of high quality, a highly unequal wealth distribution and strongly decreasing economic mobility. The basic framework presented in this paper is meant as a stepping stone to further research, where our evidence is used to deepen our understanding of the real-world counterparts of such problems. The advantage of our model is that it combines simplicity that is inherent to model economies with a similarly simple observable counterpart (namely the game environment where real agents interact). By matching the dynamics of the game economy we can thus easily verify that our behavioral assumptions are good approximations to reality. © 2014 Springer Science+Business Media New York Source

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